/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.metron.common.utils;

import com.google.common.base.Joiner;
import com.google.common.collect.Iterables;

import java.util.Arrays;
import java.util.Optional;

public class StringUtils {
  public static String join(String delim, Optional<String>... parts) {
    return Joiner.on(delim).join(
            Arrays.asList(parts).stream().filter(
                    part -> part.isPresent()
            ).map( part -> part.get())
             .toArray()
                                );
  }
}
